Explore opposite angles by chosing the appropriate angle for the missing degree of measure.

A "convention" is "just the way a thing is done!". This reference material lists some common conventions (notational assumptions) for geometry and trigonometry.

Can there be a connection between map making and math? Explore the mathematics of cartography in this resource that integrates web-based instruction, mathematical problem solving, geometry, history, and art. Interesting information and...

This lesson allows middle schoolers to discover the number Pi. By measuring real life objects, students will get to see where the number Pi comes from as well as how the circumference formula is derived.This lesson plan was created as a...

Differences between shapes are determined through measurement skills.

[Free Registration/Login may be required to access all resource tools.] Find unknown side lengths in similar figures.

In this activity, students use the drawing and measurement tools of Cabri Jr. to blend coordinate geometry with drawing tools. They visualize symmetry and reflect a point across the y-axis.

[Free Registration/Login may be required to access all resource tools.] Classify different types of triangles by their angles.

[Free Registration/Login may be required to access all resource tools.] Classify different types of triangles by their side lengths.

[Free Registration/Login Required] Students use similar triangles to determine the height of the base of a tree house. Click learn more to watch a video and click challenge me to answer a practice question.

Use prior knowledge of a rectangular prism to determine the formula of a cylinder. Check for understanding with the assessment at then end of lesson.

Explore the similarities between the volume of a cylinder and a prism.

This video geometry lesson [6:14] explains the concept of perimeter and has varied exercises for students to practice.

Third graders will use the bat houses we built as examples of various quadrilaterals.

Identify the correct abbreviation for each metric unit.

Test your knowledge of converting between metric and U.S. customary units.

This lesson is a real world task that combines many skills the students have learned throughout the school year.

AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...

This site provides practice problems for calculating central angles and calculating arc length.

This site contains a lesson plan for high school age learners. The objective is to discover the factor of proportionality in similar polygons and to relate this factor to the perimeters and areas of similar polygons.

On this website you can learn how two point perspectives are used to create pictures in comic books.

This website contains an easy to understand explanation of vanishing point and other concepts of linear perspective.

The purpose of this task is to ask students to write expressions and to consider what it means for two expressions to be equivalent. Aligns with 6.EE.A.

Test your knowledge of converting between metric area and metric volume.